factordbrpc · fdb
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Enter a value, an expression, or a term with a variable like 10^n+1 to list a range. Switch to Database id to look a number up by its stored id. Reading never stores anything; use Create to add a number to the database. See the expression syntax & functions reference.

P · Proven prime
id #1100000009050513821 868 digits created 2026-08-06

Value

5966494757470517036492942661920259322749971862333578756868457728463022713410139188391612129468456925286483312269391566437957537459428675552056530373945570685588205852125680023377904750187722276944747200182989020369207841392299990341780516150225784059063552493512455643497451648704653339270401317653437301479257170179369451027098050785340365105794407198543691668417028979002008812151574165118940649828811897955316745148197537623423482500506894486543656167607073745258726425998520968893144383098261833971948902636747163630343364549257863860777703570970179830817182931821606866067241336381318527283082280848136745856506801691993890771383976971736487428833207029308843633327899256469120311869828623703997474882249290402808438346486127158992000966363324071943373228660469585127430048583725326381236738111441087648824178977192211515155798241304973121696835183309259046179943
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 55 of the certificate chain of a 1,530-digit prime (124 intermediate primes).

Certified number1,530-digit prime
Certificatedownload
Certificate chainshow step 55 of 124

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009050513821 --detail 2 --decimal
curl
curl -s 'https://factordb.com:4059/rpc' -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"get_number","params":{"target":{"id":1100000009050513821},"decimal":true,"detail":2}}'